20600000453 has 8 divisors (see below), whose sum is σ = 21184298520. Its totient is φ = 20017152000.

The previous prime is 20600000441. The next prime is 20600000471. The reversal of 20600000453 is 35400000602.

It can be written as a sum of positive squares in 4 ways, for example, as 4203966244 + 16396034209 = 64838^2 + 128047^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20600000453 - 2⁴ = 20600000437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20600000423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333548 + ... + 390453.

It is an arithmetic number, because the mean of its divisors is an integer number (2648037315).

Almost surely, 2^20600000453 is an apocalyptic number.

It is an amenable number.

20600000453 is a deficient number, since it is larger than the sum of its proper divisors (584298067).

20600000453 is an equidigital number, since it uses as much as digits as its factorization.

20600000453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724807.

The product of its (nonzero) digits is 720, while the sum is 20.

The spelling of 20600000453 in words is "twenty billion, six hundred million, four hundred fifty-three", and thus it is an aban number.